# 1 vs Interval Workout Timer

The clearest difference is in-app purchases: 1 at none against Interval Workout Timer's 3. Interval Workout Timer's advantage is ads (none vs shown) and update cadence (every 3 days vs every 2 weeks). On price and device support there is nothing between them.

Both are free to download. Interval Workout Timer sells 3 in-app purchases, starting at $2.49 per month. 1 asks for nothing beyond the download.

1 ships an update every 2 weeks, Interval Workout Timer every 3 days. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | 1 | Interval Workout Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 14 MB | 50 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Satoshi Yamakawa](https://appshunter.io/developer/1864114622) | [YU HUA CHEOK](https://appshunter.io/developer/1889741662) |

## What reviewers say

### 1

[App page](https://appshunter.io/ios/app/1-tap-timer/id6757376428)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Interval Workout Timer

[App page](https://appshunter.io/ios/app/interval-workout-timer-block/id6761449890)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Block Timer Pro | $2.49 | per month |
| Block Timer Pro | $11.99 | per year |
| Lifetime Premium | $31.99 | one-time |


## Frequently asked questions

### Is 1 free?

1 is free to download, with no in-app purchases.

### Is Interval Workout Timer free?

Interval Workout Timer is free to download, with in-app purchases available.

### Do 1 or Interval Workout Timer have ads?

1 shows ads; Interval Workout Timer does not.

### Which is updated more often, 1 or Interval Workout Timer?

1 ships an update every 2 weeks, and Interval Workout Timer every 3 days. Most recently, 1 was updated on September 23, 2026 and Interval Workout Timer on September 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*